CATEngine Parts

192-0270 Relief Valve — Cat E312C 311C

This relief valve is a safety device designed to protect hydraulic systems from over-pressurization by venting excess fluid. It is manufactured to precise specifications to ensure reliable operation and prevent damage to pumps, hoses, and actuators. Operators may notice sluggish hydraulic functions, erratic movements, or a whining noise from the hydraulic pump if the relief valve is malfunctioning or stuck open.

Relief Valve – Part No 192-0270 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeRelief Valve
MaterialSteel alloy
ApplicationHydraulic system pressure regulation
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a faulty relief valve might include a noticeable drop in hydraulic system performance or a persistent, high-pitched whine from the pump. If the valve is stuck open, hydraulic functions will become weak and slow, and the system may not build adequate pressure. If stuck closed, the system could experience dangerous over-pressurization, potentially leading to component rupture or hose failure.

Installation Tip

Ensure the hydraulic system is properly depressurized before attempting to remove or install the relief valve. Avoid overtightening the valve, as this can damage the valve seat or the valve body itself.

Service Note

Inspect the hydraulic fluid for contamination or degradation, and check the condition of the hydraulic pump and cylinders when replacing the relief valve.